Destructive Amazon Fires Do Not Threaten Earth’s Oxygen, Expert Says
There is enough oxygen in the air to last for millions of years
The Conversation
Blood Tests for Alzheimer’s: Two Experts on Why New Studies Are Encouraging
Diagnoses could be made of individuals with AD pathology years before the first symptoms
Meet the Eye Microbiome
Bacteria live on our eyeballs, and understanding their role could help treat common eye diseases
Climate Change Sends Great Lakes Water Levels Seesawing
Six years ago, lake levels were low, now lakeside communities face widespread flooding
Why Giant Human-Sized Beavers Died Out 10,000 Years Ago
The now-extinct animals once lived from Florida to Alaska, and weighed as up to 100 kilograms
El Niño Is Now Stronger and Stranger, Coral Records Show
Changes to El Niño influence precipitation and temperature patterns around the globe
Why Is There More Matter Than Antimatter?
A new experiment at the world’s most powerful particle collider sheds light on an enduring cosmic mystery
Salt Doesn’t Melt Ice—Here’s How It Makes Winter Streets Safer
There’s a good reason to salt the roads before snow starts falling
Why the “Child of Krakatau” Volcano Is Still Dangerous
The Dec. 22 landslide at the Indonesian volcano led to a predictable tsunami in the area
Immigrants Do Not Increase Crime, Research Shows
A group of criminologists show the claim of a link is false
